class HomeViewModel : ViewModel() {

    val text: LiveData<Event<String>> = liveData {
        emit(Event.Loading())
        try {
            emit(Event.Success(getData()!!))
        } catch(exception: Exception) {
            emit(Event.Failure(exception))
        }
    }

    private suspend fun getData() = withContext(Dispatchers.IO) {
        val client = OkHttpClient()
        val request = Request.Builder()
            .url("https://google.com")
            .build()
        val data = client.newCall(request).execute().body?.string()
        return@withContext data
    }
}